The indent cylinder is used for grading by length all
granular materials such as wheat, oats, fine seeds,
lentils, for separating stalks from sunflower
and beet seeds and for separating
unwanted long or short product impurities.
The size of grains can vary between
1.0 mm and 24 mm.
The product passes from the inlet housing
into the interior of the rotating cylinder,
the cover of which is provided with
impressed pockets or so-called indents.
The grains that embed themselves in the
indents, will be carried and after a certain
distance, will fall out of the pockets into
the trough (yellow arrows), and will be
discharged by a screw conveyor. All grains
which are larger than the indents, will remain
inside the shell and be carried to the outlet where
the shell empties into the outlet casing (green
Depending on the required grading the incoming product will
be sorted according to roundness or length.